1.

The magnitude of crystal field stabilization energy (CFSE or Deltat) in tetrahedral complexes is considerably less than in octahedral field. This is because

Answer»

There are FOUR ligands instead of six so the ligand field is only 2/3 the size hence , the `Delta`t is only 2//3 the size
The direction of the orbitals does not coincide with the direction fo the ligands . This reduces the CRYSTAL field stabilisation ENERGY `(Deltat)` by further 2/3
Both points (A) and (B) correct
Both points (A) and (B) are wrong .

Solution :CFSE in case of tetrahedral complexes is less than the octahedral field due to both the points A and B.


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